TD-LTE终端射频自动测试系统的设计与实现
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摘要
LTE是第三代移动通信系统的主流演进技术之一,在LTE系统中定义了TDD (Time Division Duplexing,时分双工)和FDD (Frequency Division Duplexing,频分双工)两种方式,其中采用时分双工的TD-LTE系统是TD-SCDMA系统的后续演进标准。TD-LTE得到了中国政府、运营商和系统设备制造商的高度关注。相信在不久以后,TD-LTE必将在中国进行大规模的商用。
作为移动通信的关键环节,TD-LTE终端的性能质量在该技术的商用化进程中起着决定性的作用。TD-LTE作为起步较晚的一种通信技术标准,在其技术的成熟性、产业化进程和商用经验方面无疑还存在欠缺,还需要大量的工作尤其是终端的测试工作以保证其商用的成功。通过开发完整的TD-LTE终端射频一致性测试系统将有助于促进TD-LTE终端测试技术的完善,另外还能够推动国内仪表行业特别是高端通信仪表产业的发展,并有利于TD-LTE产业化的发展。
本文在对LTE技术进行详细的研究分析的基础上,根据3GPPTS36.521-1规范着重对TD-LTE终端射频一致性的测试项目进行研究分析,包括了发射机特性测试、接收机特性测试、性能要求测试和信道状态信息报告测试四个方面。然后介绍了自动测试系统的相关概念,并根据3GPP TS36.508附录A对TD-LTE终端射频一致性测试进行了测试环境的设计以及整合,选择合适的测试仪表,完成了自动测试系统中硬件系统的设计与实现。最后根据硬件系统的设计对软件系统的需求作出分析,设计出软件系统的功能模块,包括用户操作界面模块、数据库管理模块、测试例程序模块以及仪表驱动程序模块。硬件系统与软件系统相互配合,即可完成对TD-LTE终端射频一致性的测试,可提高测试的准确性以及效率。
LTE is one of the evolving technologies of the third generation mobile communication system, which defines both the TDD (Time Division Duplex) and FDD (Frequency Division Duplexing) mode, and the TD-LTE system is the following evolution of TD-SCDMA system standard. TD-LTE has been highly concerned by the Chinese government, operators and system equipment manufacturers. I believe in the near future, TD-LTE will carry out a large-scale commercial using in China.
The performance and quality of mobile communication terminal plays a key role in the process of commercialization of TD-LTE technology. Because TD-LTE is a new communication technology standard, it has a lack in its technical maturity, the process of industrialization and commercial experience undoubtedly, so we require a lot of work especially terminal testing to ensure its commercial success. The development of high quality TD-LTE terminal RF conformance automatic test system will be able to promote the improvement of TD-LTE terminal testing techniques,and contribute to development of domestic instrument industry, especially the high-end communication instrument industry, which is also conducive to the TD-LTE industry development.
In this paper, firstly1make an analysis of LTE technology, then according to3GPP TS36.521-1specification I focus on researching and analyzing the TD-LTE terminal RF conformance test projects, which including the transmitter characteristics test, receiver characteristics tests, performance requirements test and the test report of channel state information. And then I introduce the concept of automatic test system, according to the appendix A of3GPP TS36.508,1design and integration the TD-LTE terminal RF conformance test environment and choose the appropriate test instruments, finally I complete designing and implementing the automatic test system hardware system. Finally, according to the hardware system I make an analysis of the need of software system, and design the functional modules of the software system, including the user interface module, database management modules, test cases modules and driver modules of the instrument. Hardware and software system work together to complete TD-LTE terminal RF conformance detection, which can improve the accuracy and efficiency of the detection.
作为移动通信的关键环节,TD-LTE终端的性能质量在该技术的商用化进程中起着决定性的作用。TD-LTE作为起步较晚的一种通信技术标准,在其技术的成熟性、产业化进程和商用经验方面无疑还存在欠缺,还需要大量的工作尤其是终端的测试工作以保证其商用的成功。通过开发完整的TD-LTE终端射频一致性测试系统将有助于促进TD-LTE终端测试技术的完善,另外还能够推动国内仪表行业特别是高端通信仪表产业的发展,并有利于TD-LTE产业化的发展。
本文在对LTE技术进行详细的研究分析的基础上,根据3GPPTS36.521-1规范着重对TD-LTE终端射频一致性的测试项目进行研究分析,包括了发射机特性测试、接收机特性测试、性能要求测试和信道状态信息报告测试四个方面。然后介绍了自动测试系统的相关概念,并根据3GPP TS36.508附录A对TD-LTE终端射频一致性测试进行了测试环境的设计以及整合,选择合适的测试仪表,完成了自动测试系统中硬件系统的设计与实现。最后根据硬件系统的设计对软件系统的需求作出分析,设计出软件系统的功能模块,包括用户操作界面模块、数据库管理模块、测试例程序模块以及仪表驱动程序模块。硬件系统与软件系统相互配合,即可完成对TD-LTE终端射频一致性的测试,可提高测试的准确性以及效率。
LTE is one of the evolving technologies of the third generation mobile communication system, which defines both the TDD (Time Division Duplex) and FDD (Frequency Division Duplexing) mode, and the TD-LTE system is the following evolution of TD-SCDMA system standard. TD-LTE has been highly concerned by the Chinese government, operators and system equipment manufacturers. I believe in the near future, TD-LTE will carry out a large-scale commercial using in China.
The performance and quality of mobile communication terminal plays a key role in the process of commercialization of TD-LTE technology. Because TD-LTE is a new communication technology standard, it has a lack in its technical maturity, the process of industrialization and commercial experience undoubtedly, so we require a lot of work especially terminal testing to ensure its commercial success. The development of high quality TD-LTE terminal RF conformance automatic test system will be able to promote the improvement of TD-LTE terminal testing techniques,and contribute to development of domestic instrument industry, especially the high-end communication instrument industry, which is also conducive to the TD-LTE industry development.
In this paper, firstly1make an analysis of LTE technology, then according to3GPP TS36.521-1specification I focus on researching and analyzing the TD-LTE terminal RF conformance test projects, which including the transmitter characteristics test, receiver characteristics tests, performance requirements test and the test report of channel state information. And then I introduce the concept of automatic test system, according to the appendix A of3GPP TS36.508,1design and integration the TD-LTE terminal RF conformance test environment and choose the appropriate test instruments, finally I complete designing and implementing the automatic test system hardware system. Finally, according to the hardware system I make an analysis of the need of software system, and design the functional modules of the software system, including the user interface module, database management modules, test cases modules and driver modules of the instrument. Hardware and software system work together to complete TD-LTE terminal RF conformance detection, which can improve the accuracy and efficiency of the detection.
引文
[1]胡海宁,林奇兵.下一代无线网络LTE介绍[J].通信世界B,2006,(20)：19.
[2]邢金强TD--LTE终端射频。致性测试系统的设计与实现[D].北京邮电大学,2012.
[3]汪丁鼎,龚追飞TD-SCDMA的长期演进——TD-LTE[J]移动通信，2008,32(17)：33-38.
[4]唐海TD-LTE的标准化工作及进展[J].电信科学,2009,25(1)：22-26.
[5]梁上荣.LTE上行MIMO检测算法研究[D].西安电子科技大学,2011.
[6]吴军伟.LTE终端媒体访问控制层的研究与实现[D].北京工业大学,2010.
[7]孙开荣.浅谈LTE技术[J].科学时代(上半月),2010,(9)：71-72.
[8]姚琨.LTE系统中的导频设计和信道估计仿真研究[D].西南交通大学,2011.
[9]张大鹏.LTE系统中无线资源管理技术的研究[D].北京邮电大学,2010.
[10]万伟3GPPLTE链路技术分析与研究[D].山东大学,2011.
[11]李红亮,王雨,梁涛等TD-LTE网络架构及关键技术分析[J].黑龙江科技信息,2012,(24)：108－108.
[12]张建国MIMO-OFDM系统同步和信道估计技术研究[D].北京邮电大学,2007.
[13]王洋MIMO-OFDM系统的信道估计算法研究[D].北京邮电大学,2011
[14]白文岭.LTE系统中的关键传输技术研究[D].电子科技大学,2010.
[15]杨栋.LTE上行接收技术研究[D].西安电子科技大学,2010.
[16]鲍慧,杜娟MIMO系统中多天线技术的应用研究[J].黑龙江科技信息,2010,(35)：4,3.
[17]MIMO_互动百科http://www.hudong.com/wiki/mimo.2010
[18]刘晓峰,沈嘉.LTE 中MIMO技术面临的挑战及其测试[J].现代电信科技,2009,39(9)：24-27,32.
[19]李江锋TD-SCDMA终端射频自动测试系统设计与实现[D].北京邮电大学,2008.
[20]李鑫,杨锁昌,袁成营等.某型导弹系统的一种ATS构建[J].兵工自功化,2008,27(12)：84-84,89.
[21]王丹WCDMA终端设备自动测试系统设计与实现[D].北京邮电大学,2010.
[22]李宏伟.直流调速装置多参数综合测试系统的研究[D].天津大学,2009.
[23]王海燕,于剑飞,石美宪.LTE终端射频测试技术分析[J].电信网技术.2011年 2月第2期：6-9
[24]陈珺,王海燕,朵灏,刘臻TD-LTE终端一致性测试标准化进展[J].电信网技术,2011年07期：35-38
[25]3GPP TS36.521-1:User Equipment (UE) conformance specification Radio transmission and reception Part 1:Conformance Testing;(Release 10).2012
[26]苏畅,李迎松,刘乘源等.一种宽带功分器设计与分析[J].系统仿真技术,2010,06(4)：263-267.
[27]胡助明.宽带带状线定向耦合器的设计[D].电子科技大学,2008.
[28]刘畅,周吉阳,倪正等.无线电设备射频参数测量中链路校准的不确定度评估[J].移动通信,2010,34(18)：29-32.
[29]3GPP TS36.508:Common test environments for User Equipment (UE) conformance testing;(Release 10).2012
[30]孔睿迅.基于LabVIEW的小型熔断器电气特性测试自动化研究[D].华南理工大学,2010
[31]刘贤忠,许爱强,龚国平等.ATS(自动测试系统)中系统不确定度的处理[J].现代电子技术,2008,31(9)：70-72.
[2]邢金强TD--LTE终端射频。致性测试系统的设计与实现[D].北京邮电大学,2012.
[3]汪丁鼎,龚追飞TD-SCDMA的长期演进——TD-LTE[J]移动通信，2008,32(17)：33-38.
[4]唐海TD-LTE的标准化工作及进展[J].电信科学,2009,25(1)：22-26.
[5]梁上荣.LTE上行MIMO检测算法研究[D].西安电子科技大学,2011.
[6]吴军伟.LTE终端媒体访问控制层的研究与实现[D].北京工业大学,2010.
[7]孙开荣.浅谈LTE技术[J].科学时代(上半月),2010,(9)：71-72.
[8]姚琨.LTE系统中的导频设计和信道估计仿真研究[D].西南交通大学,2011.
[9]张大鹏.LTE系统中无线资源管理技术的研究[D].北京邮电大学,2010.
[10]万伟3GPPLTE链路技术分析与研究[D].山东大学,2011.
[11]李红亮,王雨,梁涛等TD-LTE网络架构及关键技术分析[J].黑龙江科技信息,2012,(24)：108－108.
[12]张建国MIMO-OFDM系统同步和信道估计技术研究[D].北京邮电大学,2007.
[13]王洋MIMO-OFDM系统的信道估计算法研究[D].北京邮电大学,2011
[14]白文岭.LTE系统中的关键传输技术研究[D].电子科技大学,2010.
[15]杨栋.LTE上行接收技术研究[D].西安电子科技大学,2010.
[16]鲍慧,杜娟MIMO系统中多天线技术的应用研究[J].黑龙江科技信息,2010,(35)：4,3.
[17]MIMO_互动百科http://www.hudong.com/wiki/mimo.2010
[18]刘晓峰,沈嘉.LTE 中MIMO技术面临的挑战及其测试[J].现代电信科技,2009,39(9)：24-27,32.
[19]李江锋TD-SCDMA终端射频自动测试系统设计与实现[D].北京邮电大学,2008.
[20]李鑫,杨锁昌,袁成营等.某型导弹系统的一种ATS构建[J].兵工自功化,2008,27(12)：84-84,89.
[21]王丹WCDMA终端设备自动测试系统设计与实现[D].北京邮电大学,2010.
[22]李宏伟.直流调速装置多参数综合测试系统的研究[D].天津大学,2009.
[23]王海燕,于剑飞,石美宪.LTE终端射频测试技术分析[J].电信网技术.2011年 2月第2期：6-9
[24]陈珺,王海燕,朵灏,刘臻TD-LTE终端一致性测试标准化进展[J].电信网技术,2011年07期：35-38
[25]3GPP TS36.521-1:User Equipment (UE) conformance specification Radio transmission and reception Part 1:Conformance Testing;(Release 10).2012
[26]苏畅,李迎松,刘乘源等.一种宽带功分器设计与分析[J].系统仿真技术,2010,06(4)：263-267.
[27]胡助明.宽带带状线定向耦合器的设计[D].电子科技大学,2008.
[28]刘畅,周吉阳,倪正等.无线电设备射频参数测量中链路校准的不确定度评估[J].移动通信,2010,34(18)：29-32.
[29]3GPP TS36.508:Common test environments for User Equipment (UE) conformance testing;(Release 10).2012
[30]孔睿迅.基于LabVIEW的小型熔断器电气特性测试自动化研究[D].华南理工大学,2010
[31]刘贤忠,许爱强,龚国平等.ATS(自动测试系统)中系统不确定度的处理[J].现代电子技术,2008,31(9)：70-72.